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DL108 - Voltage Detector
Instruction Manual
24 - 1000V AC Voltage Detector
with High/Low Sensitivity
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Di-LOG
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DL108 Operating Manual
Contents
I. Overview 3
II. Safety Notice 3
III. Instrument Symbols 5
IV. Specication 6
V. Display and Controls 7
1. Operating Instructions 7
2. Battery Replacement 9
3. Warranty Information 10
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Certicate of conformity
As the manufacturer of the instrument
listed below, we declare under our sole
responsibility that the product:
Di-LOG DL108 - Voltage Detector
to which this declaration relates is in
conformity with the relevant clauses of
the following standards:
EN 61010-1
EN 61010-2-030
EN 61326-1
EN 61326-2-2
LVD & EMC
The performance of this instrument
operates within its specication when
used under the conditions in the above
safety and EMC standards.
The product identied above conforms
to the requirements of council directive
89/336/EEC and 73/23 EEC.
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DL108 Operating Manual
I. Overview
The DL108 is a non-contact voltage detector
with a built-in ashlight and audible/optical/
vibration alarm function. The CAT IV 1000V
safety class ensures users safety, making it
an essential tool for the electrical industry.
Low voltage mode (24V AC - 1000V AC)
Suitable for testing low-voltage motors (<
90V) , audio systems, arc welding machines,
cables with a thick insulation layer, and
other weak electromagnetic AC signals.
High voltage mode (90V AC - 1000V AC)
For detecting domestic electric supply and
three-phase systems. For example, power
distribution units, electrical panels, and
electrical appliances.
II. Safety Notices
1. Please carefully read and fully understand
the warnings and operating instructions
before use. If the instrument is used in a
manner not specied by the manufacturer,
the protection provided by the instrument
may be impaired.
2. Please test the detector on a known live
source within the rated AC voltage range
before use.
3. If the detector appears damaged or is not
working properly, stop using it immediately.
4. Do not detect voltage higher than 1000V.
5. Use caution when working with voltages
above AC 30Vr.m.s, 42Vpeak or DC 60V.
Such voltages pose a shock hazard. Clean
the tester casing with a damp cloth and mild
detergent. Do not use abrasives or solvents!
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II. Safety Notices (continued)
6. There may still be voltage even when no
audible/optical alarm is on.
7. The insulation type, conductor thickness,
distance from voltage source, shielded
conductors, other cables, socket design,
and other factors may adversely aect test
result. If there are any uncertainties, please
use other methods to verify the voltage.
8. Do not assume neutral or earth wire is
safe to touch. Incorrect or poorly connected
circuits may cause conductors to be charged.
9. When low battery indication appears,
please replace the batteries.
10. When using the detector, please keep
ngers behind the nger guard before the
clear detector head and do not cover.
11. Comply with local and national safety
regulations and requirements.
12. The detector will not detect any voltage if:
a. The conductor is shielded.
b. The operator is not in contact with the
ground or isolated from an eective grounding
point.
c. The voltage is DC.
13. The detector may not detect any voltage if:
a. The operator does not hold the detector.
b. The operator is wearing gloves.
c. The conductor under test is partially
buried or in earthed metal conduit.
d. The magnetic eld generated by the
voltage source is blocked, suppressed or
interfered with.
e. The frequency of the voltage being
detected is not a perfect sine wave and may
be distorted by harmonics
f. The detector is used outside of the
operating specications (see Technical
Specications for details)
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Di-LOG
DL10x Series Voltage Detector Specifi cation
DL107 DL108
Detection voltage range
Low: 24V - 1000V AC
High: 90V - 1000V AC
Frequency range 50Hz/60Hz
Operation mode Automatic Indication
Vibration mode N /A
LED fl ashlight
Audible and visual
indication
Auto power o About 5 minutes
Low battery indication ≤ 2.4V
IP rating N/A IP67
Drop tested 1M 2M
Safety rating CAT IV 1000V Double Insulated
Operating temperature 0°C - 40°C
Storage temperature -20°C - 50°C
Relative humidity ≤80% non-condensing
Dimensions
150mm x 18mm x
23mm
160.5mm x 21.5 mm
x 25mm
Weight (net) 50g 72g
Power supply 2 x 1.5V (RO3) AAA (supplied)
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DL108 Operating Manual
III. Instrument Symbols
Symbols on the instrument and in the
instruction manual:
Warning! Warns of potential danger,
and to comply with the instruction
manual.
Caution! Dangerous voltage,
potential risk of electrical shock.
Continuous double or reinforced
insulation complies to IEC 536,
Class II
Symbol of conformity, conrms
conformity with relevant EU
directives. The instrument complies
with the EMC Directive (89/336/
EEC) specically standards EN
50081-1 and EN 50082-1, as well
as the Low Voltage Directive
(73/23/EEC) described in the
standard EN 61010-1.
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IV. DL10x Series Specication
DL10x Series Voltage Detector Specifi cation
Detection voltage range
Frequency range 50Hz/60Hz
Operation mode Automatic Indication
Vibration mode N /A
LED fl ashlight
Audible and visual
indication
Auto power o About 5 minutes
Low battery indication ≤ 2.4V
IP rating N/A IP67
Drop tested 1M 2M
Safety rating CAT IV 1000V Double Insulated
Operating temperature 0°C - 40°C
Storage temperature -20°C - 50°C
Relative humidity ≤80% non-condensing
Dimensions
Weight (net) 50g 72g
Power supply 2 x 1.5V (RO3) AAA (supplied)
DL107 DL108
Low: 24V - 1000V AC
High: 90V - 1000V AC
150mm x 18mm x
23mm
160.5mm x 21.5 mm
x 25mm
Note: Please unplug other electrical
devices connected to the socket
before detection.
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DL108 Operating Manual
V. Display and Controls
1. Non-contact voltage sensor
2. LED Flashlight
3. LED for Voltage Indication
4. High/Low mode status indicator light
5. Power button
6. Flashlight On/O button
7. Pocket clip
8. Battery screw cap
1. Operating Instructions
Turning the detector on
With a short press of the power button, the
buzzer will beep twice and the red indicator
display on the panel will illuminate, indicating
that the detector is on and ready for use.
The default AC voltage detection range is
set to high (90 - 1000V).
A long press of the power button (>1.5s),
and the detector will power on in vibration
mode. The vibration alarm will only occur
when a strong signal is detected (only an
audible and visual alarm will be indicated
for weak signals). To turn o the vibration
feature, power o the detector and then
restart it with a short press of the power
button.
Turning the ashlight on/o
A short press of the ashlight button will
turn on/o the ashlight. The ashlight
will automatically turn o when the detector
is not used for 5 minutes.
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AC voltage detection
Place the sensor head near the test
object or the power socket with AC
voltage. When AC voltage is detected,
the red LED in the tip and buzzer will be
on. Buzzer and sensing LED frequencies
increase when detector gets closer to
the test object. In vibration mode, when
strong signals are detected, there will
also be vibration alarm.
Detection range selection
a) When the detector is switched on, the
default setting is pre programmed to high
voltage mode, with a detection range of
90-1000V. The red indicator light on the
display panel will illuminate.
b) With an additional short press of
the power button, the red indicator light
will switch to green, and the device will
switch to low voltage mode, with range of
24-1000V.
In low voltage mode, the detector is more
sensitive to electrical interference/noise.
Please only use the low voltage mode
when detecting weak electromagnetic eld.
Auto power o
The detector will auto power o when it is
not used for 5 minutes.
Turning the detector o manually
A long press of the power button for 2
seconds will turn the detector o.
Low battery indication
When the battery voltage is lower than
2.4V, the detector will automatically shut
down.
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DL108 Operating Manual
2. Battery Replacement
Unscrew the battery cap anti-clockwise
as shown above, and then replace the
batteries according to the polarity
indicated on the instrument.
Tighten the battery cap clockwise and the
audible buzzer will beep twice to indicate
that the battery replacement is complete.
Do not mix old and new batteries.
Do not mix alkaline, standard
(Zinc Carbon), or rechargeable
(Ni-Cad, Ni-Mh, etc) batteries.
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3. 24 Month Warranty
Di-LOG instruments are subject to stringent quality controls. If in the course of
normal daily use a fault occurs we provide
a 24 month warranty (only valid with proof
of purchase). Faults in manufacture and
material defects will be rectied by us free
of charge, provided the instrument has not
been tampered with and returned to us
unopened. Damage due to droppin g, abuse
or misuse are not covered by the warranty.
Di-Log Ltd
Unit 28 Wheel Forge Way
Traord Park
Manchester M17 1EH
UK
Tel:+44 (0)161 877 0322
Email: sales@dilog.co.uk
Website: www.dilog.co.uk
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